حفظ السلبيات .. المعالجة والطباعة .. كيفية التقاط وتطوير الصور بالأبيض والأسود

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  • حفظ السلبيات .. المعالجة والطباعة .. كيفية التقاط وتطوير الصور بالأبيض والأسود

    حفظ السلبيات .. المعالجة والطباعة .. كيفية التقاط وتطوير الصور بالأبيض والأسود

    FILING NEGATIVES

    Unlike slides , which are themselves the finished product , negatives are a work- ing stage in black - and - white photography , and need a different storage system . The images they carry do not need to be immediately easy to see , but they do need to be stored safely , and in such a way that they can be taken out and used in an enlarger rapidly . They also need a separate visual reference system - that is , accessible files of contact sheets .

    A normal negative carrier in an enlarger accepts short strips of film , and this is the way negatives should be cut and filed . Avoid cutting individual frames from a roll as much as possible : a single negative is more difficult to handle , and so more likely to slip from your fingers ; it will also sit less securely in most negative carriers . The usual way of cutting a roll of 36 35mm exposures is into six strips of six frames each . 6 × 6cm negatives from a 120 roll will normally cut into strips of three or four .

    Standard negative envelopes are translucent , although transparent slips are easier for identification . In either case , the most widely used filing system is in sheets divided into sufficient strips to hold one roll of film .

    Flicking through negative files in search of a particular picture is tedious and inefficient , hence the need for a full set of contact sheets . Having made the contact sheet the next step is to relate negative sheets to contact sheets , for which you will need some labelling or numbering system . One of the most straightforward methods is simply by the order in which you shot the rolls : give the same number to the negative sheet and to the contact sheet .

    With a normal print , you should never write on the back in ink - the pressure of the pen may go through and emboss the emulsion , and the ink may eventu- ally cause a stain . With a contact sheet , however , you can make an exception ; use the back to write down all the essential details , such as the date , place , subject , type of film and any special procedures , such as push - processing . You might also want to include a few notes on the printing . The sheet can then be stored loose , in a box or folder , or in a ring - bound book file ; negative sheets and contact sheets can be kept together or separately .

    ABOVE A normal negative carrier from an enlarger accepts short strips of film , and this is the way negatives should be cut and filed .

    RIGHT Fortunately for the photographer , many processing labs return negatives in purpose - built folders . These are available for both 35mm ( right ) and 120 ( far right ) format films .

    اضغط على الصورة لعرض أكبر. 

الإسم:	CamScanner 04-10-2024 13.25.jpg 
مشاهدات:	20 
الحجم:	179.9 كيلوبايت 
الهوية:	239988 اضغط على الصورة لعرض أكبر. 

الإسم:	CamScanner 04-10-2024 13.27_1.jpg 
مشاهدات:	13 
الحجم:	33.4 كيلوبايت 
الهوية:	239989 اضغط على الصورة لعرض أكبر. 

الإسم:	CamScanner 04-10-2024 13.28_1.jpg 
مشاهدات:	13 
الحجم:	213.1 كيلوبايت 
الهوية:	239990

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